Class: Glimmer::LibUI::Shape::Polygon

Inherits:
Glimmer::LibUI::Shape show all
Defined in:
lib/glimmer/libui/shape/polygon.rb

Constant Summary

Constants inherited from Glimmer::LibUI::Shape

KEYWORD_ALIASES

Instance Attribute Summary

Attributes inherited from Glimmer::LibUI::Shape

#args, #block, #content_added, #keyword, #parent

Instance Method Summary collapse

Methods inherited from Glimmer::LibUI::Shape

#absolute_c1_x, #absolute_c1_y, #absolute_c2_x, #absolute_c2_y, #absolute_end_x, #absolute_end_y, #absolute_point_array, #absolute_x, #absolute_x_center, #absolute_y, #absolute_y_center, #area_proxy, #can_handle_listener?, #composite_shape, constant_symbol, #content, create, #destroy, exists?, #fill, #handle_listener, #implicit_path?, #initialize, #method_missing, parameter_defaults, parameters, #path_proxy, #post_add_content, #post_initialize_child, #redraw, #request_auto_redraw, #respond_to?, shape_class, #stroke, #transform

Methods included from DataBindable

#data_bind, #data_bind_read, #data_bind_write, #data_binding_model_attribute_observer_registrations

Methods included from PerfectShaped

#bounding_box, #contain?, #include?, #move

Methods included from Parent

#children, #post_initialize_child

Constructor Details

This class inherits a constructor from Glimmer::LibUI::Shape

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Glimmer::LibUI::Shape

Instance Method Details

#draw(area_draw_params) ⇒ Object 



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# File 'lib/glimmer/libui/shape/polygon.rb', line 31

def draw(area_draw_params)
  alternating_x_y_array = point_array.to_a.compact.flatten
  unless alternating_x_y_array.empty?
    ::LibUI.draw_path_new_figure(path_proxy.libui, alternating_x_y_array[0], alternating_x_y_array[1])
    ((alternating_x_y_array.size - 2) / 2).times do |n|
      point_alternating_x_y_index = n * 2
      ::LibUI.draw_path_line_to(path_proxy.libui, alternating_x_y_array[point_alternating_x_y_index + 2], alternating_x_y_array[point_alternating_x_y_index + 3])
    end
    ::LibUI.draw_path_close_figure(path_proxy.libui)
  end
  super
end

#move_by(x_delta, y_delta) ⇒ Object 



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# File 'lib/glimmer/libui/shape/polygon.rb', line 44

def move_by(x_delta, y_delta)
  self.point_array = point_array.each_with_index.map {|coordinate, i| i.even? ? coordinate + x_delta : coordinate + y_delta}
end

#perfect_shape ⇒ Object 



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# File 'lib/glimmer/libui/shape/polygon.rb', line 48

def perfect_shape
  require 'perfect-shape'
  the_perfect_shape_dependencies = perfect_shape_dependencies
  if the_perfect_shape_dependencies != @perfect_shape_dependencies
    absolute_point_array = @perfect_shape_dependencies = the_perfect_shape_dependencies
    path_shapes = [absolute_point_array.first]
    path_shapes += absolute_point_array.drop(1).map { |point| PerfectShape::Line.new(points: [point]) }
    @perfect_shape = PerfectShape::Path.new(closed: true, shapes: path_shapes)
  end
  @perfect_shape
end

#perfect_shape_dependencies ⇒ Object 



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# File 'lib/glimmer/libui/shape/polygon.rb', line 60

def perfect_shape_dependencies
  absolute_point_array
end